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Table 3 Unadjusted and adjusted associations between healthcare utilisation, stroke and cognitive function

From: The impact of stroke, cognitive function and post-stroke cognitive impairment (PSCI) on healthcare utilisation in Ireland: a cross-sectional nationally representative study

Healthcare type Exposure Unadjusted model
IRR (95% CI)
P value Exposure Fully adjusted model
IRR (95% CI)
P value
GP visitsa
  Stroke (n = 8164) 2.04 (1.75–2.38)  < 0.001 Stroke 1.27 (1.07–1.50) 0.005
  Poor cognitive function (n = 5851) 1.24 (1.21–1.27)  < 0.001 Poor cognitive function 1.07 (1.04–1.09)  < 0.001
  Stroke*poor cognitive function (n = 5851) 0.83 (0.71–0.95) 0.010 Stroke*poor cognitive function 0.94 (0.82–1.08) 0.378
Emergency visitsb
  Stroke (n = 8167) 2.93 (1.96–4.39)  < 0.001 Stroke 1.56 (0.94–2.61) 0.088
  Poor cognitive function (n = 5856) 1.18 (1.10–1.27)  < 0.001 Poor cognitive function 1.06 (0.97–1.15) 0.207
  Stroke*poor cognitive function (n = 5856) 0.76 (0.52–1.12) 0.167 Stroke*poor cognitive function 0.94 (0.62–1.43) 0.776
Nights in hospitalc
  Stroke (n = 8172) 3.88 (1.83–8.23)  < 0.001 Stroke 1.93 (0.77–4.81) 0.158
  Poor cognitive function (n = 5857) 1.26 (1.12–1.41)  < 0.001 Poor cognitive function 1.05 (0.93–1.19) 0.461
  Stroke*poor cognitive function (n = 5857) 0.92 (0.44–1.90) 0.814 Stroke*poor cognitive function 1.03 (0.48–2.22) 0.948
Outpatient visitsd
  Stroke (n = 8168) 2.05 (1.51–2.79)  < 0.001 Stroke 1.49 (1.05–2.12) 0.025
  Poor cognitive function (n = 5857) 1.05 (1.00–1.10) 0.060 Poor cognitive function 0.92 (0.88–0.97) 0.003
  Stroke*poor cognitive function (n = 5857) 0.71 (0.54–0.95) 0.019 Stroke*poor cognitive function 0.75 (0.57–0.99) 0.039
Healthcare type Exposure Unadjusted model
OR (95% CI)
P value Exposure Fully adjusted model
OR (95% CI)
P value
Rehabilitation services usede
  Stroke (n = 8175) 2.70 (1.68–4.34)  < 0.001 Stroke 1.25 (0.64–2.43) 0.514
  Poor cognitive function (n = 5859) 1.21 (1.10–1.33)  < 0.001 Poor cognitive function 0.99 (0.88–1.11) 0.804
  Stroke*poor cognitive function (n = 6113) 1.07 (0.71–1.62) 0.734 Stroke*poor cognitive function 1.33 (0.85–2.08) 0.216
  1. Full model adjusted for health and demographic factors (stroke status, cognitive function, age, sex, education, employment, medical card, disability and depression)
  2. Poor cognitive function is based on the continuous Montreal Cognitive Assessment (MoCA) score. Stroke*poor cognitive function tests whether there is an interaction between stroke status and cognitive function
  3. IRR Incidence-rate ratio, OR Odds Ratio, GP General Practitioner
  4. aFully adjusted model (n = 5753)
  5. bFully adjusted model (n = 5757)
  6. cdFully adjusted model (n = 5758)
  7. eFully adjusted model (n = 5760)